If specified, got a column of constant. otherwise an incremental series like it always be.
mysql> select * from numbers("number" = "5", "const_value" = "-123");
+--------+
| number |
+--------+
| -123 |
| -123 |
| -123 |
| -123 |
| -123 |
+--------+
5 rows in set (0.11 sec)
Previously temporarily upgrade Arrow to dev version 15.0.0-SNAPSHOT, because the latest release version Arrow 14.0.1 jdbc:arrow-flight-sql has BUG, jdbc:arrow-flight-sql cannot be used normally, see: apache/arrow#38785
But Arrow 15.0.0-SNAPSHOT was not published to the Maven central repository, and the network could not be connected sometimes, so back to Arrow 14.0.1. jdbc:arrow-flight-sql will be supported after upgrading to Arrow 15.0.0 release version.
Otherwise accessing rows at `n` will lead to heap buffer overflow
```
5# SipHash::update(char const*, unsigned long) at /home/zcp/repo_center/doris_master/doris/be/src/vec/common/sip_hash.h:132
6# doris::vectorized::ColumnString::update_hash_with_value(unsigned long, SipHash&) const at /home/zcp/repo_center/doris_master/doris/be/src/vec/columns/column_string.h:452
7# doris::vectorized::ColumnObject::update_hash_with_value(unsigned long, SipHash&) const at /home/zcp/repo_center/doris_master/doris/be/src/vec/columns/column_object.cpp:1433
8# doris::vectorized::Block::update_hash(SipHash&) const at /home/zcp/repo_center/doris_master/doris/be/src/vec/core/block.cpp:721
9# doris::EngineChecksumTask::_compute_checksum() at
```
```
Caused by: java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437) ~[?:1.8.0_131]
at java.util.HashMap$EntryIterator.next(HashMap.java:1471) ~[?:1.8.0_131]
at java.util.HashMap$EntryIterator.next(HashMap.java:1469) ~[?:1.8.0_131]
at org.apache.doris.catalog.CatalogRecycleBin.write(CatalogRecycleBin.java:1047) ~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.catalog.Env.saveRecycleBin(Env.java:2298) ~[doris-fe.jar:1.2-SNAPSHOT]
```
When calling `/dump` api to dump image, ConcurrentModificationException may be thrown.
Because no lock to protect `CatalogRecycleBin`
If the original data is:
```sql
+-----------------------------------------------------+
| s_info |
+-----------------------------------------------------+
| {"s_id": 2, "s_name": "nereids", "s_address": "20"} |
| {"s_id": 1, "s_name": "doris", "s_address": "18"} |
+-----------------------------------------------------+
```
In the original logic, the struct type data exported to a csv file format did not contain column names,like
```
{2, "nereids", "20"}
{1, "doris", "18"}
```
This pr do not need to be merged into branch-2.0
Session variable `enable_unicode_name_support` is used to enable using unicode for table/column names.
And it should be forward to master when executing `create table` stmt on non-master FE.
Otherwise, even if we set `enable_unicode_name_support` to true on non-master FE,
we can create table with unicode name.
in some case, some tablets may cause coredump or OOM when compaction, and it is necessary to manually close the compaction of a specific table by 'disable_auto_compaction' to make be service available
This commit allow modify disable_auto_compaction table property in schema change.
---------
Signed-off-by: nextdreamblue <zxw520blue1@163.com>
In #25331, I change the behavior of user's default resource tag, that is, if a user does not set resource tag,
it can only use default resource tag.
This PR change this logic. The normal user can only use default resource tag if resource tag is not set,
but root and admin user can use any resource tag if resource tag is not set.
support nereids internal query to bind a workload group
support insert into select bind workload group
support create table as select bind workload group
change token wait timeout to be query timeout or queue timeout
query queue should not bind to pipeline engine, it could be used every where.